Design and optimizations of quasiperiodic microcavity with high-quality factor and its application in quantum dot lasers

被引：1
|
作者：
Mosallanezhad, Gholamreza [1 ]
Keshavarz, Alireza [2 ]
机构：
[1] IEEE Photon Soc, Tehran 1441755416, Iran
[2] Shiraz Univ Technol, Dept Phys, Shiraz 7155713876, Iran
来源：
OPTICAL ENGINEERING | 2015年 / 54卷 / 10期
关键词：
high-quality factor; microcavity; optimizations; quantum dot laser; quasiperiodic; EMISSION; CRYSTALS; OPTICS;
D O I：
10.1117/1.OE.54.10.106102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose an optimized quasiperiodic microcavity with the aim of achieving the highest quality factor. The proposed structure consists of two quasicrystal rings with different geometries. By performing several optimizations on the structure, the highest quality factor of 8.16 x 10(7) for a femtosecond laser with a wavelength of 1040 nm can be achieved. The quasiperiodic microcavity is used for a quantum dot laser application that obtained the highest output power of 3800 W/m(2). The most important characteristics of this structure are the improvement of the quality factor and a simultaneously stable cavity wavelength. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：7
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